| 1 | 2F | Two 24 or 28 Foot Flatbeds | Flat |
| 2 | ANIM | Animal Carrier | Specialized |
| 3 | AUTO | Auto Carrier | Specialized |
| 4 | B-TR | B-Train/Supertrain (Canada Only) | Specialized |
| 5 | BELT | Conveyor Belt | Specialized |
| 6 | BOAT | Boat Hauling Trailer | Specialized |
| 7 | CH | Convertible Hopper | Specialized |
| 8 | CONT | Container Trailer | Specialized |
| 9 | DD | Double Drop | Specialized |
| 10 | DUMP | Dump Trucks | Specialized |
| 11 | ENDP | End Dump | Specialized |
| 12 | F | Flatbed | Flat |
| 13 | FEXT | Stretch Trailers or Extendable Flatbed | Flat |
| 14 | FINT | Flatbed Intermodal | Flat |
| 15 | FO | Flatbed | Flat (Over-Dimensional Loads) |
| 16 | FSD | Flatbed or Step Deck | Flat |
| 17 | FVR | Flatbed, Van, or Reefer | Van or Flatbed |
| 18 | FWS | Flatbed with sides | Flat |
| 19 | HOPP | Hopper Bottom | Specialized |
| 20 | HS | Hot Shot | Specialized |
| 21 | HTU | Haul and Tow Unit | Specialized |
| 22 | LAF | Landoll Flatbed | Specialized |
| 23 | LB | Lowboy | Specialized |
| 24 | LBO | Lowboy Over Dimensional | Specialized |
| 25 | LDOT | Load-Out (Empty trailers you load and haul away | Specialized |
| 26 | LIVE | Live Bottom Trailer | Specialized |
| 27 | MAXI | Maxi or Double Flat Trailers | Specialized |
| 28 | MBHM | Mobile Home | Specialized |
| 29 | PNEU | Pneumatic | Specialized |
| 30 | PO | Power Only (Tow-Away) | Specialized |
| 31 | R | Refrigerated (Reefer) | Refrigerated |
| 32 | RGN | Removable Goose Neck & Multi-Axle Heavy Haulers | Specialized |
| 33 | RGNE | RGN Extendable | Specialized |
| 34 | RINT | Refrigerated Intermodal | Refrigerated |
| 35 | ROLL | Roll Top Conestoga | Specialized |
| 36 | RPD | Refrigerated Carrier with Plant Decking | Refrigerated |
| 37 | SD | Step Deck | Flat |
| 38 | SDL | Sted Deck with Loading Ramps | Flat |
| 39 | SDO | Step Deck Over-Dimensional Loads | Flat |
| 40 | SPEC | Unspecified Specialized Trailers | Specialized |
| 41 | SV | Straight Van | Van |
| 42 | TANK | Tanker (Good grade, liquid, bulk, etc.) | TANK (Specialized) |
| 43 | V | Van | Van |
| 44 | V-OT | Open Top Van | Van |
| 45 | VB | Blanket Wrap Van | Van |
| 46 | CV | Curtain Van | Van |
| 47 | VCAR | Cargo Vans (1 Ton Capacity) | Van |
| 48 | VF | Flatbed or Van | Van, Flat |
| 49 | VINT | Van Intermodal | Van |
| 50 | VIV | Vented Insulated Van | Van |
| 51 | VLG | Van with Liftgate | Van |
| 52 | VM | Moving Van | Van |
| 53 | VR | Van or Reefer | Van |
| 54 | VV | Vented Van | Van |
| 55 | WALK | Walking Floor | Specialized |
| 56 | VVR | Vented Van or Refrigerated | Van |
| 57 | VIVR | Vented Insulated Van or Refrigerated | Van |
| 58 | VA | Van Air-Ride | Van |
| 59 | FA | Flatbed Air-Ride | Flat |
| 60 | FV | Van or Flatbed | Van, Flat |
| 61 | FRV | Flatbed, Van, or Reefer | Van, Flat |
| 62 | FSDV | Flatbed, Step Deck, or Van | Van, Flat |
| 63 | FVVR | Flatbed, Vented Van, or Reefer | Van, Flat |
| 64 | VRDD | Van, Reefer, or Double Drop | Van, Specialized |
| 65 | FVV | Flatbed or Vented Van | Van, Flat |
| 66 | SDRG | Step Deck or Removable Gooseneck | Flat, Specialized |
| 67 | VRF | Van, Flatbed, or Reefer | Van |
| 68 | RVF | Van, Flatbed, or Reefer | Reefer |
| 69 | RFV | Van, Flatbed, or Reefer | Refrigerated |
| 70 | RV | Van or Reefer | Refrigerated |
| 71 | SPV | Cargo/Small/Sprinter Van | Specialized |
| 72 | SDC | Step Deck Conestoga | Specialized |
| 73 | SDE | Step Deck Extendable | Specialized |
| 74 | DA | Drive Away | Specialized |
| 75 | DDE | Double Drop Extendable | Specialized |
| 76 | VRF | Van, Flatbed, or Reefer | Van |
| 77 | BEAM | Beam | Specialized |
| 78 | CONG | Conestoga | Flat |
| 79 | BDMP | Belly Dump | Specialized |